About activator

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Manual
17

Working with JPA Entity Objects

via an EntityManager’s persist method, which must be invoked within an active transaction. On transaction commit ... Entities section. If a managed entity object is modified within an active transaction the change ... the EntityManager’s remove method within an active transaction. The entity object changes its state from
Manual
17

Locking in JPA

. A TransactionRequiredException is thrown if there is no active transaction when lock is called because explicit locking requires an active transaction. A LockTimeoutException is thrown if the requested pessimistic lock ... rollback). ObjectDB supports also releasing a lock explicitly while the transaction is active, as
Manual
17

Deleting JPA Entity Objects

from the database it has to first be retrieved (no matter which way) and then in an active ... . A TransactionRequiredException is thrown if there is no active transaction when remove is called because operations that modify the database require an active transaction. Cascading Remove Marking a reference field
Manual
17

CRUD Database Operations with JPA

) require an active transaction. In the example above, every Point object is first constructed as ... a managed object (usually by retrieval) and invoke the remove method within the context of an active ... . You have to obtain a managed entity object (e.g. by retrieval) and modify it within an active transaction: em
Forum
17

Embedded & Activation & Scalation

when two instances try to access same db? Is everything synched properly? How does activation work? We'd buy a site license, however, we CAN NOT individually activate every instance on every machine ... (!) which can spawn through 1000's of different machines so activation wouldn't make much sense (besides we'd
Forum
17

Get activation code for a server with no Internet connection

. How do we get the activation code? Dmitry Zakharov Run activation on that server. It does not require an Internet connection. The output of the activation console application is a url that you can open on another computer that is connected to the Internet, in order to retrieve the activation code. Add the activation code
Issue
17

Running the Activator requires Java 6 or above.

+1, mixed mode)   But activation complains: java -classpath objectdb.jar com.objectdb.Activator ObjectDB Activator [version 2.8.3] Copyright (c) 2020, ObjectDB Software. All rights reserved. Running the Activator requires Java 6 or above.         Note: the Activator does work with: 11.0.9-zulu
Forum
17

Error activating objectdb

C: \ Users \ Roberto Pinto> java -cp objectdb.jar com.objectdb.Activator Error: The main class com.objectdb.Activator was not found or loaded this is the path of the activator D: \ BBDD_Entornos \ Objecdb \ Objectdb-2.74_03 \ objectdb-2.7.4_03 \ bin this is the route where the clkase Activator
Forum
17

programmatic activation

Wondering if there is documentation for this class: com.objectdb.Activator Specifically: Is it possible to programmatically activate ObjectDB, ie: to pass in username, password, site key, and get back a link? This would help significantly with activation in server environments. There is no API
Forum
17

Attempt to begin a new transaction when a transaction is active

._PersistenceException: Attempt to begin a new transaction when a transaction is active root cause com.objectdb.o._PersistenceException: Attempt to begin a new transaction when a transaction is active root cause com.objectdb.o.UserException: Attempt to begin a new transaction when a transaction is active